package chapter03;
class Student07{
    private  String name;
    private  int age;
    public  Student07(){ }
    public Student07 (String n){
        name = n;
    }
    public  Student07 (String n, int a){
        name = n;
        age = a;
    }
    public  void read(){
        System.out.println("我是："+name+",年龄:"+age);
    }
}
public class Example07 {
    public static void main(String[] args) {
        Student07 stu1 = new Student07("张三");
        Student07 stu2 = new Student07("张三",18);
        stu1.read();
        stu2.read();
}
}
